Class / Patent application number | Description | Number of patent applications / Date published |
422521000 | Dispensing means | 22 |
20120027649 | MOUNTING MEDIA DEVICE - A mounting media device for application of mounting media to a specimen positioned on a slide before placement of a cover slip. The mounting media device includes a housing, a tray component, a mounting media transfer component, a dispenser component, and a control element. The mounting media transfer component provides mounting media to the dispenser component. In an automatic mode, a sensor may provide a signal to the control element to cause mounting media to be transferred from the mounting media transfer component to the dispenser component automatically. The dispenser component may dispense the mounting media to the tray component and onto a specimen positioned on a slide before placement of a cover slip. In a manual mode, a trigger element may be depressed so that the mounting media device may be manually controlled and release mounting media from the dispenser component. | 02-02-2012 |
20120141338 | SAMPLE CAPTURE ELEMENT FOR SAMPLING DEVICE - An extendable sample capture element for use in a sampling device designed to extract samples, such as reaction/reactant samples, from vessels such as reactor vessels. A sample capture element of the present invention includes one or more concave sample pockets that may be of various shape and volume. A sample capture pocket is adapted to capture a known volume of material when the sample capture element is extended into said material. The material sample remains trapped in the sample capture pocket upon sample capture element retraction. When multiple pockets are present, at least one pocket may function as a mixing pocket. Ports in the sample pocket(s) may be placed in communication with corresponding material transfer channels extending through or along the sample capture element to allow for quenching, dilution and discharge of a captured material sample, such as discharge to an analyzer or another downstream location. | 06-07-2012 |
20120258026 | PIPETTING DEVICE - The invention relates to a sealing assembly for a metering device, in particular a multi-channel metering device. The sealing assembly serves to seal pipette tips with respect to the metering device. A multi-channel metering device comprises a multiplicity of openings arranged in one plane. A sealing plate with holes in the grid of the openings abuts this plane. Each pipette tip is provided with an annular collar which has an abutting face and is pressed against the sealing plate by force closure so as to enclose one hole. | 10-11-2012 |
20130064738 | METHOD AND DEVICE FOR THE METERED ADDITION OF FLUIDS INTO REACTION VESSELS - Proposed is a metering device ( | 03-14-2013 |
20130224087 | Manual Dosing Device - A manual dosing device comprising
| 08-29-2013 |
20130315797 | LIGHT BEAM GUIDED LIQUID DELIVERY DEVICE - A light beam guided liquid delivery device, including: a liquid delivery device; a light beam generator; and a bracket coupling the light beam generator to the liquid delivery device such that a beam of light is selectively delivered approximate to a tip of the liquid delivery device. The bracket couples the light beam generator to the liquid delivery device at a first attachment point. The bracket includes one or more hinges at the first attachment point for varying the orientation of the light beam generator. Optionally, the bracket also couples the light beam generator to the liquid delivery device at a second contact point. The bracket includes a support member at the second contact point for varying the orientation of the light beam generator. Optionally, the support member is translatable with respect to the one or more hinges along a length of the bracket. | 11-28-2013 |
20140079603 | DISPENSING DEVICE - A dispensing device for reducing the dead volume of a liquid sample includes a main channel connected to a sample inlet and a sample outlet, and branch channels connected to the main channel. Each branch channel is connected to a different liquid reservoir. High inflow-withstanding pressure sections are provided in the main channel between the branch channels and between the branch channel and the sample outlet. Each high inflow-withstanding pressure section has a channel inner wall forming a contact angle of 90° or larger with a liquid sample. A liquid sample enters the main channel through the sample inlet, reaches a branch point between the first branch channel and the main channel, flows into the first branch channel and the liquid reservoir, and then passes through the high inflow-withstanding pressure section to a branch point between the next branch channel and the main channel. | 03-20-2014 |
20140234181 | SYSTEM FOR MANAGING INVENTORY OF BULK LIQUIDS - A system for managing bulk liquids for an automated clinical analyzer. The system comprises (a) at least one local reservoir for storing a bulk liquid for impending use, (b) at least one container for holding a bulk liquid before the liquid is transferred to a local reservoir, and (c) a controller for monitoring the level of a bulk liquid in a local reservoir. The local reservoir for storing a bulk liquid for impending use can be a trough. The use of troughs for storing a reagent, a diluent, or some other treating agent for impending use enables an aspirating/dispensing device having a plurality of pipettes to aspirate and dispense the reagent, diluent, or other treating agent at a high rate of throughput. The controller can monitor the level of a liquid in (a) a local reservoir for storing a bulk liquid for imminent use and the level of liquid in a (b) container for holding a bulk liquid before the liquid is transferred to a local reservoir. In the laboratory automation system described herein, the container for holding a bulk liquid before the liquid is transferred to a local reservoir can be a bottle. Other desirable features in the system include, but are not limited to, pump(s), valves, liquid level sensors. | 08-21-2014 |
20140271406 | FLUID EJECTION DEVICE - There is provided a fluid ejection device including a solenoid valve head ejecting a droplet, a fluid collection part collecting the droplet ejected from the solenoid valve head, a unit measuring a volume of the droplet collected in the fluid collection part, and a transfer unit transferring the fluid collection part. | 09-18-2014 |
20150336099 | MICRO-REAGENT HANDLER AND CARTRIDGE ASSEMBLY - A planar micro-reagent cartridge comprises a base layer having a fluid receiving cavity formed in a top surface thereof and a fluid disposed within the cavity, and intermediate layer and a top layer. The intermediate membrane layer is bonded to the base layer to seal the fluid receiving cavity and form a fluid reservoir pump chamber. The intermediate layer comprises a resiliently deformable flexible region that overlies the fluid receiving cavity and is configured to be depressed in response to application of pressure, and a rupturable valve region that overlies the fluid receiving cavity. A top layer is bonded to the intermediate layer, the top layer having an opening that exposes the deformable flexible region of the intermediate membrane layer and at least one channel that together with the intermediate membrane layer forms a fluid conduit having an inlet in fluid communication with the rupturable valve region of the intermediate layer. In use, depression of the deformable flexible region actuates the fluid reservoir pump chamber to rupture the rupturable valve region and pump fluid into the capillary. | 11-26-2015 |
422522000 | Pressure | 11 |
20110243815 | DISPOSABLE DISPENSING CARTRIDGE FOR MEDICAL ASSAY INSTRUMENTATION - A disposable dispensing cartridge comprises a reservoir adapted to contain a solution to be dispensed; a chamber in fluidic communication with the reservoir through a first unidirectional valve. The chamber comprises an outlet portion with a second unidirectional valve allowing passage of the solution out of the chamber. The disposable cartridge is connectable via a second connecting portion to a pressurizing device. The pressurizing device is adapted to apply a reduced pressure within the chamber; drawing a predetermined volume of solution from the reservoir, through the first unidirectional valve, into the chamber; and to apply a raised pressure within the chamber, drawing the determined volume of solution out of the chamber, through the second unidirectional valve. The second connecting portion comprises a check valve being arranged to allow gas, but not the solution, to flow in and/or out of the chamber via the second connecting portion. The disposable cartridge is simple and inexpensive to manufacture. | 10-06-2011 |
20120195811 | Multi-Channel Wellplate Filling System - A multi-channel wellplate filling system has a peristaltic pump for pumping fluid through multiple flexible tubes. The system also includes multiple pipette tip mounting shafts arranged in a linear array and in fluid communication with a respective flexible tube of the tubing set. Disposable pipette tips are mounted on the pipette tip mounting shafts. A controller operates the peristaltic pump in reverse and forward directions respectively in order to aspirate liquid into disposable pipette tips mounted on the pipette tip mounting shafts and dispense liquid in a metered amount from the disposable pipette tips into a wellplate positioned on a wellplate platform in the system. The system can also be converted into a wellplate wash station. | 08-02-2012 |
20130243666 | Pipetting Apparatus and Method for Production Thereof - The invention relates to a pipetting apparatus, in particular for pipetting a fluid sample by aspiration into a pipetting container by means of air under a pipetting pressure, said pipetting apparatus comprising: a valve arrangement having at least one valve device for setting a pipetting pressure, wherein the valve device comprises a valve chamber; at least one pump device, which is connected to the valve chamber to generate a chamber pressure in the valve chamber; a pipetting channel, to which the pipetting container can be connected, and; a bypass channel, which is open to the surrounding environment; wherein the pipetting channel and the bypass channel are each connected to the valve chamber; and wherein the at least one valve device is designed such that, to generate the desired pipetting pressure in the pipetting channel, the chamber pressure is distributed in a metered manner by the valve device between the pipetting channel and the bypass channel. The invention further relates to a method for producing this pipetting apparatus. | 09-19-2013 |
20140147349 | Multi-Channel Pipette - A multichannel pipette with a base body, several spigots for clamping up pipette tips, arranged parallel side by side in a row, protruding from the base body and mounted on the base body so as to be movable in their longitudinal direction, at least one displacement equipment with a displacement chamber and a displacement member dislocatable therein, wherein the displacement chamber is connected to connection holes in the spigots in order to eject or aspirate air through openings of the connection holes in lower ends of the spigots, a first drive device, connected to the displacement member and adapted to dislocate the displacement member in the displacement chamber, first spring elements, engaging on the spigots and on the base body, wherein the spigots are dislocatable upward in their longitudinal direction from a starting position against the spring action of the first spring elements. | 05-29-2014 |
20140199216 | LIQUID END ASSEMBLY FOR A MULTICHANNEL AIR DISPLACEMENT PIPETTE - A handheld multichannel air displacement pipette is modular in construction and includes compliant joints and molded plastic components in place of various machined metal, glass, and ceramic components found in traditional multichannel pipettes. These improvements are made without sacrificing performance in channel-to-channel consistency, accuracy, and precision. The multichannel pipette is inexpensive to manufacture, lightweight, reliable, and easy to assemble and service. | 07-17-2014 |
20150086447 | Locking pipette tip and mounting shaft and hand-held manual pipette - The pipetting method is directed to mounting and ejecting a disposable pipette tip. The pipetting system has one or more tip mounting shafts with an upper locking section and a lower sealing section. The upper locking section has outwardly extending lobes spaced around the mounting shaft and located above a stop member. The lower sealing section on the tip mounting shaft is located below the stop. As the mounting shaft is inserted into the collar of the disposable pipette, the collar distorts out of round and engages the lobes on the upper locking section of the tip mounting shaft. Contemporaneously, the lower sealing section of the mounting shaft seals against the barrel of the disposable pipette tip. | 03-26-2015 |
20150086448 | Joint for Device for Metering Liquids - The present invention relates to a device for metering liquids, for example a pipette or a metering button. The device comprises a joint forming a seal between a hollow cylinder and a piston housed inside the cylinder, the piston being moved vertically so as to suck in or expel the liquid. During the metering operation, the joint remains fixed with respect to the movement of the piston and comprises parts formed by portions having dedicated geometric and mechanical characteristics which make it possible to locally optimize the functions the sliding, sealing, and fastening in the cylinder. | 03-26-2015 |
20150314284 | SPECIMEN CONTAINER FOR BIOLOGICAL MATERIALS - A specimen container for use with biological specimens that includes at least one cylindrical housing, wherein the at least one cylindrical housing is open on one or both ends thereof, at least one cap for sealing the open ends of the at least one cylindrical housing; a syringe plunger adapted for insertion into the at least one cylindrical housing, wherein the syringe plunger is operative to move a biological specimen into the at least one cylindrical housing when the syringe plunger is depressed; and optionally, a linking cuff, wherein the linking cuff is operative to join multiple cylindrical housings to one another and permit mixing of the contents thereof. | 11-05-2015 |
20160001282 | DOSING PIPETTE - A dosing pipette for discharging a medium, wherein the pipette has a housing and a dosing piston. The housing has a dosing geometry which can be decoupled from the housing. | 01-07-2016 |
20160051978 | EJECTION FUNCTION FOR A POSITIVE-DISPLACEMENT PIPETTING SYSTEM - A bottom part of a positive-displacement pipetting system), including a body slideably housing a device for gripping a piston belonging to a capillary-piston assembly the capillary of which is adapted to be fitted onto an end-fitting of the body. The system also comprises means for ejecting the capillary-piston assembly arranged externally with respect to the body. The system is constructed so that a relative rotation between the ejection means and the gripping device causes it to pass from an open configuration enabling the piston to be released to a closed configuration enabling said piston to be retained, and/or the reverse. | 02-25-2016 |
20160136637 | SYRINGE HAVING A MECHANICAL COUPLING PIECE - The invention relates to a syringe, comprising: a syringe body ( | 05-19-2016 |
422523000 | Gravity | 1 |
20130189167 | Micro Buret - A gravity flow device for dispensing a fluid may include a gravity flow body to retain the fluid, a valve body to control the flow of the fluid, and a detachable stem to connect to the valve body. The gravity flow device may be formed from glass, and the detachable stem may be formed from plastic. The gravity flow device may be a burette, and the removable stem may decrease in diameter. The gravity flow body may include a central passageway, and the valve body may include a central passageway to cooperate with the central passageway of the gravity flow body. The detachable stem may include a central passageway to cooperate with the central passageway of the valve body. | 07-25-2013 |